Q4's potentially biggest debuts

DRIVERS OF THE MONEY QUARTER: Who are the big guns of the fourth quarter, and which labels have them? We've button-holed various experts and tea-leaf readers from around the industry to come up with the following prospectus for the home stretch of 2014, setting a baseline of 200k. But in this nutty business, you never know what might drop out of the sky gift-wrapped for the holidays (see December 2013 for an example of this phenomenon). Additionally, there's a chance that a seasonal album or three will kick in and gain steam as Christmas approaches. But here's what we're prognosticating, based on what we know right now. (9/30p)